地方教育附加按纳税人实际缴纳增值税、消费税、营业税的税额的（）%征收。 A.1 B.

阅读短文，选择正确答案。

      Hello! I'm Sam. It's my birthday. I'm nine. Here are my birthday presents. How many gifts? Look! Two

pens, three pencils, a bag, a cake, and a doll panda. Look! This is her head. It's white. This is her leg. It's black.

What's that? Is that a bird? No, it isn't. It's a duck. Look, this is his body. It's blue. That is his head. It's red.

And his foot is yellow.

1. It's _____________ birthday.

A. Tom's

B. Sam's

C. Mike's

2. Sam is _____________.

A. eight

B. nine

C. ten

3. How many gifts in all (总共)? 

A. Eight.

B. Nine.

C. Ten.

4. This is the doll panda. Her leg is _____________.

A. black

B. white

C. yellow

5. That is a duck. His body is _____________.

A. red

B. blue

C. green

知识梳理有助于我们对已学知识的巩固，如图是某同学学习物质结构层次后以氧气为例进行的梳理，下列选项中与a、b、c对应的是

A．原子、原子核、核外电子

B．原子核、原子、核外电子

C．原子、核外电子、原子核

D．核外电子、原子核、原子

内孔车刀可分为（）车刀和（）车刀两种。

（）影响作物抗寒能力。

A、气温

B、组织器官

C、地域

D、作物种类

E、生长发育阶段

单打比赛中，发球员发出的球擦单打支柱后落在有效区域。裁判应判（）。

A.发球得分

B.发球有效

C.发球失误

D.重发球